diff --git a/prometheus/prometheus.yml b/prometheus/prometheus.yml
index 65a222de5745c1b68478cef7d0865f23431bb8c2..456c99ac819a01175de770235c065d797a4680b6 100644
--- a/prometheus/prometheus.yml
+++ b/prometheus/prometheus.yml
@@ -6,9 +6,9 @@ global:
   external_labels:
     monitor: 'codelab-monitor'
 
-# A scrape configuration containing exactly one endpoint to scrape:
-# Here it's Prometheus itself.
+# Prometheus configuration of targets which will be scraped
 scrape_configs:
+# Chat server application
   - job_name: 'chatroom'
     honor_labels: true
     scrape_interval: 5s
@@ -16,22 +16,18 @@ scrape_configs:
     static_configs:
       - targets: ['192.168.2.34:5000']
 
+# Node-exporter
   - job_name: 'node-exporter'
     honor_labels: true
     scrape_interval: 5s
     # scheme: https
     static_configs:
       - targets: ['192.168.2.34:9100']
-
+  
+# MongoDB-exporter
   - job_name: 'mongodb-exporter'
     honor_labels: true
     scrape_interval: 5s
      #scheme: https
     static_configs:
-      - targets: ['192.168.2.34:9216']
-
-#remote_write:
-#- url: "localhost:3000"
-#  basic_auth:
-#    username: "admin"
-#    password: "admin"
\ No newline at end of file
+      - targets: ['192.168.2.34:9216']
\ No newline at end of file